A--F|LL IN THE BLANKS: (10 points-1 point each) 1~ In Chapter 8, a single mean using the z-distribution is used since a 2- In Chapter 9, we tested a single mean using the since 0 was unknown. 3-ln Chapter 10, difference between two means was tested using the t-distribution for both dependent and samples. 4- ANOVA technique uses to separate the variation among the entire set of data into two categories 5- The is used to compare the two variances between and within the populations. 6- In Chapters 8 and 9, tests were demonstrated for testing a single mean. 7- The difference between the two p0pulation means, when dependent samples are used (often called dependent means), is equivalent to the mean of the 8-Estimations occur in two forms: a point estimate and an 9-The quality of an estimation procedure (or method) is greatly enhanced if the sample statistic is both less variable and 10- is an interval estimate with a specified level of confidence. WORD BANK: F-distribution Confidence interval, unbiased. paired differences, independent, t-distribution, variances, Known, Hypothesis, interval estimate